Just use LyX or Scientific Workplace.
I tried writing my thesis in Scientific Workplace but I couldn't figure out in a reasonable amount of time how to do some of the things that made me want to use LaTeX instead of Word in the first place, like landscape tables. (In defense of my geekiness, 'reasonable' was in this context defined by my EEENTJ thesis partner. Next to her I felt like a uselessly slow flunky.

) Now I'm investing the time in using the
WinEdt/MiKTeX combination, but that's because I've been employed at the department to churn out working papers and need them to look positively delicious.
An extremely intelligent ISFP fellow student with whom we shared a thesis office went all the way with Scientific Workplace and estimated afterwards that she had spent
a full month just struggling with the program. To be fair, she did say that she thought the end result was worth it, but this was a woman who had time to spend the last three weeks before her deadline just proofreading and making incremental improvements, so identify with her at your own risk.
My advice would be to use Word if it's just for a thesis. It's less important to make a thesis perfectly inviting to read (of course the layout should be decent, but the usual Word micromanagement followed by conversion to pdf is fine), and so IMO LaTeX is just not worth the learning curve.